英文關鍵字
smallpox
magnification
microorganism
macro
microscopic
microscopy
contagious
virion
close
up
closeup
cowpox
epidemic
major
molluscum
contagiosum
monkeypox
orthopoxviridae
orthopoxvirus
pox
poxviridae
poxvirus
immunity
virology
injection
immunization
microbe
background
3d
vaccine
disease
structure
variola
cell
microscope
monkey
vaccinia
human
medical
virus
dna
colorful
microbiology
infection
vaccination
biology
viral
medicine
animation
dynamic